Duplicator.



A. B. SALIGER.

l nuPucATon.

x APPLICATION man MAY9.1916. l 9 A" `l ill` Patented Jan. 29,1918

5 SHEETS-SHEET I.

www l I M A. B. SALIGER.

Patented Jan. 29, 1918.

5 SHEETS-SHEET 2.

lll;

SIM/w) W mm I I A. B. SAL'IGER.

DUPLICATOR.

APPLICATION FILED MAY 9,1916.

Patented Jan. 29, 1918.

5 SHEETS-SHEET 3.

Ivm.

`am mm A. B. SALIGER.

DUPLICATOH.

APPLICATION FILED IIAY 9. 191s.

Patented Jan. 29; 1918.

5 SHEETS-SHEET 4.

A. B. SALIGER.

DUPLICATOR.

APPLwATloN HLED MAY 9. |916.

Patented Jan. 29, 1918.

5 SHEETS-SHEET 5.

OIS BENJAMIN SALIGER, OF NEW YORK N. Y., ASSIGNOR, BY-MESNE ASSIGNMENTS,

TO THE BECK'DUPLICATOR COMPANY, A CORPORATION OF NEW YORK.

DUPLICATOR.

To all whom z't may concern.'

Be it known that I, ALois BENJAMIN SALIGER, a citizen of the UnitedStates, and a resident of the borough of Manhattan, in the city andState of New York', have invented certain new and useful Improvements inDuplicators, of which the following is a specification. Thel inventionrelates to duplicators, and more particularly to such machines providedwith a duplicating surface, usually of a gelatinous nature, adapted to`receive negative or reversed impressions, and rolling means forbringing a sheet of paper or the likeinto contact with such duplicatingsurface, in order that such impression may be communicated from saidsurface to said Some ofthe principal objects of the invention are torovide a machine of the type mentioned which shall be eciently, easily,and quickly operated; comparatively noiseless,v and in. which theoperation'of stripping the paper from the duplicating film` after it hasreceived its impression shall be smooth and certain in action.

The invention consists in the novel construction, arrangement andcombination of various devices, elements and parts, as shown in theaccompanying drawings and fully described in this specification. j

In the said drawings, Figure 1 is a side elevation of a duplicatorconstructed according to my invention; Fig. 2 is a plan view of thesame; Fig. 3 is a section taken on the line 3 3 of Fig. 2; Fig. 4 is asection taken on the line lf-.4 of Fig. 1 and looking in the directionof Vthevarrows; Figs. 5 6, and 7 are detail views to be hereinafterldescribed; and Figs. 8, 9, 10 and 11 are diagrammatic views showing theoperation of invention.

ln car ing my invention into effect 1n v the. embo iment thereof whichll have selected for illustration in the accompanying drawings, llprovide a frame comprisin inner side members 20, having inte ral terewith legs 21 by means of which 'it is adapted to be supported on atable or other suitable support, and if desiredrigidly secured thereto,and also having racks 24; end members 22; and outer side members 25,preferably in the form of cylindrical rods bearing on their upper sidesracks 23.

Specication of Lettera Patent.

The inner side ratented aan. aa, iai.

Application ledMay 9, 1916. Serial No. 96,463.

members may if desired be integral with the end members 22, the latterbeing provided in their ends, which project beyond the inner sidemembers 20, with sockets adapted to receive the rods 25, which may slidein said sockets, but which may when desired b e secured against suchsliding by screwshpins, or the like. This construction 1s provided inorder that the rods 25 may be partially or entirely removed from theframe in order to attach or remove the movable frame or carriage whichwill be hereinafter described, to the stationary portion of theapparatus.

Extending between the inner side members 20 is a bed 33, having suitablystretched thereover a suitable cover or strip of fabric 19, and overwhich passes the duplicating film 41. The ends of the duplicating filmpass downward over rollers 18 at the ends .of the bed 33, and theportion of the film not in 'use is stored or wound upon rollers 34,journaled in the side members 20, the detailed construction andoperation of which will be hereinafter described.

The movable frame or carriage above` referred to comprises'side members26 adapted to slide on the rods 25, rollers 28 being provided ifdesired. Theserollers are provided with bearing screws whereby theirpressure upon the rods 25 may be adjusted.- These side members 26 areconnected by means of a paper stop 27, and also have pivotally securedthereto swinging side niembers 29,'connected together by means of anoperating handle 30. These swinging members are supported on pivots 32bearing in vertical slots 36 in the members 26, and may be adjusted bymeans of bearing screws 37. A paper platform 31 may be providedextending from the members 26, although this is not essential and may bedispensed with if desired.

Referring now more particularly to F ig. 3, it will be seen that themembers 29 are each provided with a vertical rectilinear slot 38, inwhich slots slide blocks 39, having journaled therein the ends of animpression roller 40. Springs 42 are provided having one end secured tothe members 29, and the other bearing against the blocks and forcing thesame downward. The pressure of these springs may be regulated by meansof bearing screws 43. I also provide' stripping rollers 44 and 45,preferably having their surfaces slightly roughened so that they willengage with each other. These rollers are coupled together b y means oflinks 46 (see Fig.4) in which they are rotatably mounted, these linkshaving portions 47 extending beyond the roller 45.which portionsareformed into cams, as in Fig. 3. i The ends of the roller 44 aremounted in blocks 48 secured in the members 29, and to each end of thesaid roller 44 is rigidly securedI a' wheel 49 adapted to run upon thetop edge of one of the side members of the stationary frame and providedwith a toothed portion adapted to engage with the rack 24, the detailedconstruction of these wheels being shown in Figs. 6 and 7. By referenceto these figures it will be seen that the teeth of said wheels.

49, designated 50, do not extend to the full depth of the rack 24, thusminimizing the noise made by the engagement' of the teeth with the rack.Secured between the members 29 and located above the stripping i rollers44 and 45 isa paper guide 51. The

stationary frame is provided with two sets of bearing.A surfaces 52 and53, adapted'to co-act with the cams 47 in a manner to be hereinafterdescribed. v

In order to adapt the apparatus for use with sheets of paper ofdifferent sizes,it is desirable to provide means for limiting the extentof the movement of the carriage, in other words, for fixing the ointwhere the operating stroke of the carriage shall begin, so that the endof the paper which is last depressed by the impression roller willproject slightly beyond the end of the bed and duplicating film, inorder that it may be engaged by the stripping rollers on the returnstroke of the carriage. 'For this purpose I provide adjustable stops onthe rods 25. The construction of one'of these stops is shown in detailin Fig. 5. It consists vof a piece 54 provided with a perforation 55 bymeans of which it is adapted to slide on its rod 25, and with a verticalperforation 56 having a shoulder 57. The upper portion of the piece 54is forked as shown more particularly in Fig. 1. I provide an L-'shapedpin 58, one..arm of which occupies the perform' tion56, and the otherarm the upper notched portion mentioned above. The first named arm isprovided with a head 59, between which and the shoulder 57 acts ahelical spring 60. This spring normally holds the pin 58 in the positionshown in Fig. 5, that is,l with its horizontal arm slightly below thelevel of the top of the perforation 55. When in this position it willengage with one of the .notches of the rack 23, and

.the stop will be held against movement.

When it is desired to shift the stop, the head 59 is pressed upward,compressing the spring 60,' and lifting the horizontal arm of the pin 58clear of the rack 23. The stop may .toward the right of Figs. 1, 2 and3, with raised portions 120, which are adapted, as the carriage comes tothe right-hand end of its stroke, to raise the impresslon rollerslightlynin order that it may not bear upon the portion of the paper'which projects beyond the end of the duplicating film.

The end portions of the duplicating film 41 which are not in use, are ashereinbefore set forth, stored upon rollers 34. These rollers areremovable,.and one end of each roller is rotatably mounted in a socketin one of the members 20. The other' end is non-rotatably ournaled in arotatable socket member 61 mounted in the other member 20. Thissocket-member is provided with a ratchet wheel 63, and with a handle 64by means of which it may be rotated.

I provide pawls 65 adapted to engage with the ratchets 63, said pawlsbeing pivoted at 66 to the support 20. Each pawl is provided with aspring 67. Rods 68 are provided, pivotally secured together by means ofa pin 69 which works in a vertical slot 70 in the member 20. This pin 69is provided with a friction-washer 169 (see 2) which presses the rodsv68 against the outer portion of the pin. By this arrangement the pin 69will remain .in any position in which it may be placed. The other` endsof these rods are slotted, and are slidably and pivotally secured tostuds on the member 20. Each rod is provided lwith a stud 7l adapted tobear against one of the springs 67. When the pin 69 and parts connectedtherewith are in the position shown in Fig. 1, the studs 71 depress thesprings 67, and lift the ends of the pawls 65 out of engagement withtheir respective ratchets. When the pin 69 is at the top of the slot 70,the studs 71 are lifted away from the springs 67, and the pawls 65 areallowed to drop down upon their ratchets. It will thus be obvious thatthe pawls may be thrown either into or out of engagement with theirratchets by the operation of the pin 69.

The operation of my inventionis as follows: The duplicating film isfirst placed matras The duplicating film being f secured in place, andthe carriage being moved to the, end of themachine which is shown at theleft of Figs. 1 2 and 3, a sheet of paper bearinv in suitable copyingink the matter to be 1duplicated is placed face downward upon thesupport 31, with its edge against the stop 27. The mechanism will thenbe in the position shown `in Fi 8. lt will be observed that the twostripping rollers lie in a horizontal plane, the cams 47 resting on thetop of the bed 33.

The handle 30 is then moved toward the right. The first effect of thisis to depress the roller40 lupon the end of the paper (designated 101),bringing thesame into con-4 tact with the duplicatmgfilm and forcing itbelow the edge of the stop 27. The parts will then be in the positionshown in Fig. 9.

The movement-of the handle is continued until the carriage is in theposition shown in Figs. 1, 2, and 3, 'and diagrammatically in Fig. '10.'During this impression stroke the constant pull toward the right of thedrawings keeps the members 29 and attached parts vin the positionrelative to the horizontal shownin Fig. 9, but when this pull isdiscontinued, the parts are free to assume the position-shown in the vtoproject horizontally, where it may said Fig. 10. The impressionrollerhas passed over the entire` paper, and the greater part of. saidpaper lies in contact with the duplicating film. It will be observedthat when the carriage is in this position the stripping rollers occupya vertical plane, f

the cam 47 being guided downward bythe surface 53 as the carriage nearsthe end of this `lstroke. The stops 54 should occupy such a positionthat the end of the paper, after .the impression roller has passedentirely thereover, shall project slightly beyond the right hand edge oflthe bed, as shown at 102 in Fig. 10. "lhe impression roller is liftedup as it comes to the lright hand end of its stroke, by the raisedportions 120, which prevent it from bearing upon the portion of thepaper which projects beyond the-duplicatln lm. Thls portion of the paperis not orced downward by the impression roller, but is permittd egrasped by the stripping rollers.

The movement of the carriage is then reto slide upon the 'support 31. Fi11 shows diagrammatically the position o the parts after the returnstroke is begun@ `The return movement of the carriage is continued untilthe carriage strikes against the stops 54. The result of this operationis to return the paper to the supportl 31, an impression havlng'beentransferred from the paper to the duplicating film bythe impressionrollerV 40. The desired number of copies may then be transferred fromthe said Iilm to fresh sheets of paper by passing them through themachine 1n the same manner as the sheet bearing the original impressionis passed through.

The advantages of .my invention will be' obviousfrom what has been aboveset forth -concernmg its construction and. mode of o eration. A veryimportant advantage is o tained bythe use of the various bearing screws(35, 37, and 43) by which all lost motion may be taken up, and byproviding the wheels 49 with a tread portlon adapted to run upon the topof the members 20, permitting the use of gear teeth which do not engageto the full depth of the rack;4

be made without departing from the spirit andscope of my invention. Formstance the carriage, `which has' been described as sliding upon rods,may be merely mounted upon wheels and roll overthe bed of the machine.Various modifications will suggest themselves tothose skilled in thisart.

Having thus described my invention, what l claim as new and desire tosecure by Letters Patent is as follows:

l. iln a duplicator, the combination with a frame having a -bed and aduplicating medium thereon; of a carriage movably mounted on said frameand provided with means 4 adapted to.4 depress a sheet of paper or theversed,vthe leftward pull upon the handle 30 maintaining the members 29and attached parts in the )osition relative to the hori- Y rollers 44and 45, and these' into a horizontal plane by the action of the cam 4 7against the surface 52. As the paper is passedl out between theserollers 1t strikes against the guidel and is so-delected as like on tosaid duplicating mediumand with means adapted to strip same from saidmedium, said stripping means comprising a pair of rollers pivotallysecuredA to said carriage and adapted to lie side by side with theirline of contact approximately in the plane ot said duplicating mediumone roller on one side of sald plane and the other roller on the otherside o said plane at the beginning of the stripping operation whereby asheet of pa er on said medium may enter ieu lat

to pass over the impression roller 40 and between sai rollers, but saidstripping rollit@ ers being adapted to be swung out of said relation tosaid plane after said stripping operation has been begun.

2. In a duplicator, the combination with a frame having a bed and aduplicating medium thereon; ofa carriage movably mounted on said frameand provided with means adapted to depress a sheet of paper or the likeon to said duplicating medium and with means adapted to-strip same fromsaid medium, said stripping means comprising a pair of rollers plvotallysecured to said carriage and adapted to lie side by side with their lineof contact approximately in the plane of said duplicating medium oneroller on` one side of said plane and the other 'roller on the otherside of said plane at the beginnina` of the stripping operation wherebya sheet of paper onv said medium may enter between said rollers, butsaid stripping rollers being adapted to be swung out oi' said relationto said plane after said strippingv operation has been begun; said framebeing provided with a rack and one of said stripping roll'ers beingprovided with a gear adapted to engage with saidrack.

3. In a duplicator, the combination with a frame having a bed and aduplicating medium thereon; of a carriage movably mounted on said frameand provided with means adapted vto depress a sheet of paper or the likeon to said duplicating medium and with means adapted to strip said sheetof paper from said medium, said stripping means comprising a pair ofrollers pivotally secured to said carriage said rollers at the beinningof the stripping operation lying side y side and with their line ofContact approximately in the plane of said duplicating medium one rolleron one side of said plane and the other roller on the other side of saidglane whereby a sheetr of paper vonfsaidl meium may enter between saidrollers; and

' means adapted to swing said rollers out of said relation' tolsaidplane when the stripping operation has 'been begun, whereby said sheetof paper -is separated from said mey dium.

a mem er movably mounted on said frame and a pin movable in said movablemember adapted normally to engage with said rack.

5. In a duplicator, the combination with a frame having a rack, a bed;and a duplicating medium on said bed; ofl a carriage movably mounted onsaid frame and provided with means adapted to depress a sheet or' paperor the like on to said duplicating medium and with means adapted tostrip same from said medium; of an adjustable stop adapted to limit themovement of said carriage upon said frame, said stop comprising a membermovably mounted on said frame and a pin movable in said movable memberand provided with a projecting toe adapted to engage with said rack.

6. In a duplicator, the combination with a frame having a rack, a bed,and a duplicating medium on said bed; of a carriage movably mounted onsaid frame and provided with means adapted to depress a sheetof paper orthe like on to said duplicating medium and with means adapted to stripsame from said medium;,of an adjustable stop adapted to'limit themovement of said carriage upon said frame, said stop comprising a membermovably mounted on said frame and a pin movable in said movable memberand provided with a projecting toe adapted to engage with said rack a-nda spring adapted to bring about such engagement.

' 7. In a duplicator the combination with a frame having a bed and aduplicating medium thereon; of a carriage movably mount- -like on tosaid duplicating medium, and

with a pair of rollers adapted to strip same from said medium; meansadapted to elevate said depressing means as it inishes its stroke, sothat it is prevented from then depressing the part of said sheet ofpaper adjacent thereto onto said duplicating medium.`

8.\ In a duplicator, the combination with a frame having a bed and aduplicating medium thereon; of a carriage movably mounted on said frameand provided with means adapted to depress a sheet of paper or the likeon to said duplicating medium, and with a pair of rollers adapted tostrip same from said medium; said frame being provided with tracks uponwhich the ends of said depressing means are adapted to run, said tracksbeing elevated at the point where the said depressing means finishes itsstroke whereby the said depressing means toward the end of its stroke israised up and prevented from then depressing the part of said sheet ofpaper adjacent there to on to said duplicating medium. l

9. In a duplicator, the combination with a frame having a bed andaduplicating rne-r dium thereon; of a carriage movably mounted on saidframe and provided with means adapted to depress a sheet of paper or thelike on to said duplicating medium; and

with means adapted to strip same from said medium, said stripping meanscomprising a air of rollers; said frame being provided wlth tracks uponwhich the ends of one of aaaaraa said stripping rollers are adapted torun to engage with said rack; and means adapt.

ed to prevent th'e teeth of said gear and of said--raelrfrom meshing totheir full extent.

10. In a. duplicator, thecombination with a frame having a, bed and aduplicating medium thereon; of a carriage movably mounted on said frameand provided with means adapted to depress a sheet of paper or the likeon to said duplicating medium; and with means adapted to strip same fromsaid medium, said stripping means comprising a pair of rollers; saidframe being providedwith tracks upon which the ends of one of saidstripping rollers are adapted to run and being also provided with arack, and said before mentioned one of said striping rollers beingprovided with a gear adapted to engage with said rack; the said tracksbeing of such elevation as to prevent the teeth of said gear and of saidrack from meshing to their full extent. l

11. lln a duplicato'r, the combination with a frame having a bed and aduplicating' medium thereon; of devices adapted to store portions of theduplicating medium not in use and to shift the said medium when desiredoverv the said bed and to hold the same taut thereupon, said devicescomprising rollers journaled in said frame, rotating meansl for saidrollers, co-actng ratchets and pawls adapted to hold said rollers.`against rotation, and means adapted to release ,said pawls, said meanscomprising bars pivoted in said frame and adapted when swung in oneposition to allow said pawls'to engage with said ratchet and when swunginto another position to prevent said pawls from so engaging, the endsof said bars being pivotally secured together whereby they may besimultaneously operated. a

12. ln a duplicator, the combination with a frame having a bed and aduplicating medium thereon; o f devices adapted to store portions of theduplicating medium not i'n use and to shift i*the said medium whendesired over the said bed and to hold the same taut thereupon, saiddevices comprising rollers journaled in said frame, rotating means forsaid rollers, co-acting ratchets and pawls adapted to hold said rollersagainst rotation -and means adapted to release said pawls, said meanscomprising bars pivoted in said frame and adapted when swung in oneposition to allow said pawls to engage with said ratchets and when swunginto another position to prevent said pawls from so engaging, the endsof said bars being pivoted together whereby they may be simultaneouslyoperated and being provided with means adapted to hold same in anyposition at in which theyare placed.

13. In a duplicator, the combination with a frame having a bed and aduplicating medium thereon;- of devices adapted to store portions of theduplicating medium not in use and to .shift the said medium when desiredover the said bed and hold the saine taut thereupon, said devicescomprising rollers journaled in said frame, rotating means for saidrollers, co-acting ratchets and pawls adapted to hold said rollersagainst rotation, springs adapted to bearupon said pawls and hold themnormally in engagement with said ratchets and means adapted to releasesaid pawls, said means comprising bars pivoted in said frame and adaptedwhen swung in one position to allow said pawls to engage with saidratchets andl when swung into another position to prevent said pawlsfrom so engaging.

14:. In a duplicator, the combination with a frame having a bed and aduplicating medium thereon; of-a carriage movably mounted on said frameprovided with rocking members pivotally secured thereto, a rolleradapted to depress a sheet of paper or the like on to said duplicatingmedium journaled in. said rocking members on one side of the pivotalconnection thereof, and a pair of rollers adapted to' strip said sheetot paper from said medium, rotatably secured to said rocking members onthe other side of said pivotal connection.

15. lin a duplicator, the combination with a frame having a bed and aduplicating medium thereon; of .a carriage movably mounted on saidframe. and provided with means adapted to depress a sheet of paper orthe like onto said duplicating medium and with means adapted to stripsame from said medium, said stripping means comprising a pair of rollerssecured to said carriage and adapted to lie side by side with their lineof contact approximately in the plane of said duplicating medium oneAroller on one side of said plane and the,otherro1ler on the 4other sideof said plane at the Abeginning of the stripping operation whereby asheet of paper on said duplicating medium may enter between saidrollers, but said stripping` rollers being adapted to be swung out osaid relation to said plane after said stripping operation has beenbegun.

16. lln a duplicator, 'the combination with a frame having a bed andaduplicating medium thereon; of a carriage movably mountec on said frameand provided with means a apted to depress a sheet ot paper or. the likeon to said duplicating medium and with lmeans adapted 'to strip samefrom said mellt@ other side of said plane at the beginning of thestripping operation whereby a sheet of paper on said medium ma enterbetween said rollers, but said stripping rollers being adapted to beswun out of said relation to said plane after sai stripping operationhas been begun; said frame being provided with a rack and one of saidstripping rollers being provided with a gear adapted to` engage withsaid rack.

-17. In a duplicator, the combination with a frame having a bed and aduplicating medium thereon; of a carriage movably mounted on said frameand provided with means adapted to depress a sheet yof paper or thee'like on to said duplicating medium and with means adapted to stripsaid paper from ofcontact approximately in the plane of said duplicatingmedium, one roller on one side of said plane and the other roller on theother side of said plane, whereby a sheet of paper on said medium mayenter between saidl rollers; and means adapted to swing said rollers outof said relation to said plane when the stripping operation has beenbegun,'whereby said sheet of paper is separated from said medium.

In witness whereof I have hereunto signed my name this 3d day of May,1916.

ALOIS BENJAMIN SALIGER.

yso

